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AC_INIT([udev-extras],
	[20081230],
	[linux-hotplug@vger.kernel.org])
AC_PREREQ(2.60)
AM_INIT_AUTOMAKE([check-news foreign 1.9 subdir-objects dist-bzip2])
AC_GNU_SOURCE
AC_DISABLE_STATIC
AC_SYS_LARGEFILE
AC_CONFIG_HEADERS(config.h)
AC_PROG_CC
AM_PROG_CC_C_O
AC_PROG_INSTALL
AC_PROG_LIBTOOL

dnl prefix is /usr, exec_prefix in /, if overridden exec_prefix follows prefix
AC_PREFIX_DEFAULT([/usr])
test "$prefix" = NONE && test "$exec_prefix" = NONE && exec_prefix=

dnl ensure that when the Automake generated makefile calls aclocal,
dnl it honours the $ACLOCAL_FLAGS environment variable
ACLOCAL_AMFLAGS="\${ACLOCAL_FLAGS}"
if test -n "$ac_macro_dir"; then
    ACLOCAL_AMFLAGS="-I $ac_macro_dir $ACLOCAL_AMFLAGS"
fi
AC_SUBST([ACLOCAL_AMFLAGS])

PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.12)
AC_SUBST(GLIB_CFLAGS)
AC_SUBST(GLIB_LIBS)

PKG_CHECK_MODULES(LIBUSB, libusb >= 0.1.12)
AC_SUBST(LIBUSB_CFLAGS)
AC_SUBST(LIBUSB_LIBS)

AC_PATH_PROG([XSLTPROC], [xsltproc])

AC_ARG_ENABLE(more-warnings,
AS_HELP_STRING([--enable-more-warnings], [Maximum compiler warnings]), set_more_warnings="$enableval",set_more_warnings=yes)
AC_MSG_CHECKING(for more warnings, including -Werror)
if test "$GCC" = "yes" -a "$set_more_warnings" != "no"; then
	AC_MSG_RESULT(yes)
	CFLAGS="-Wall -Werror $CFLAGS"

	for option in -Wshadow -Wmissing-declarations -Wmissing-prototypes \
		      -Wdeclaration-after-statement -Wstrict-prototypes \
		      -Wfloat-equal -Wno-unused-parameter -Wno-sign-compare \
		      -fno-strict-aliasing; do
		SAVE_CFLAGS="$CFLAGS"
		CFLAGS="$CFLAGS $option"
		AC_MSG_CHECKING([whether gcc understands $option])
		AC_TRY_COMPILE([], [],
			has_option=yes,
			has_option=no,)
		if test $has_option = no; then
			CFLAGS="$SAVE_CFLAGS"
		fi
		AC_MSG_RESULT($has_option)
		unset has_option
		unset SAVE_CFLAGS
	done
	unset option
else
	AC_MSG_RESULT(no)
fi

AC_ARG_WITH(udev-prefix,
	AS_HELP_STRING([--with-udev-prefix=DIR], [add prefix to internal udev path names]),
	[], [with_udev_prefix='${exec_prefix}'])
udev_prefix=$with_udev_prefix
AC_SUBST(udev_prefix)

AC_CONFIG_FILES([
Makefile
modem-probe/Makefile
modem-modeswitch/Makefile
udev-acl/Makefile
])
AC_OUTPUT

echo "
	udev-extras $VERSION
	====================

	prefix:			${prefix}
	exec_prefix:		${exec_prefix}
	udev_prefix:		${udev_prefix}
	datarootdir:		${datarootdir}
	mandir:			${mandir}

	compiler:		${CC}
	cflags:			${CFLAGS}
	ldflags:		${LDFLAGS}

	xsltproc:		${XSLTPROC}
"